SB2021071368 - Privilege escalation in Microsoft Windows Partition Management Driver



SB2021071368 - Privilege escalation in Microsoft Windows Partition Management Driver

Published: July 13, 2021

Security Bulletin ID SB2021071368
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-34493)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local administrator to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the Windows Partition Management Driver, which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.